CN103193500A - Metal and ceramic combined assembly and manufacturing method thereof - Google Patents
Metal and ceramic combined assembly and manufacturing method thereof Download PDFInfo
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- CN103193500A CN103193500A CN2013101127448A CN201310112744A CN103193500A CN 103193500 A CN103193500 A CN 103193500A CN 2013101127448 A CN2013101127448 A CN 2013101127448A CN 201310112744 A CN201310112744 A CN 201310112744A CN 103193500 A CN103193500 A CN 103193500A
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Abstract
The invention discloses a metal and ceramic combined assembly and a manufacturing method thereof. The metal and ceramic combined assembly comprises a metal component, a dielectric component and a ceramic component, wherein the metal component is fixed to a first region of the dielectric area and the ceramic component is fixed to a second region of the dielectric component, wherein the thermal expansion coefficient of the dielectric component is the same as that of the ceramic component, or the difference between the thermal expansion coefficient of the dielectric component and the thermal expansion coefficient of the ceramic component is smaller than a threshold value. Therefore, the metal component and the ceramic component in the metal and ceramic combined assembly can be connected reliably, and the cost of the metal and ceramic combined assembly is also reduced.
Description
Technical field
The present invention relates to the interconnection technique field, particularly relate to assembly of a kind of metal and ceramic combination and preparation method thereof.
Background technology
Other good characteristics such as electric property such as that pottery has is wear-resisting, anti-corrosion, high temperature resistant, heat conduction and strong insulativity, therefore, pottery still is widely used in the electronic communication industry except as the tableware, sanitary equipment, by being made into the assembly of metal and ceramic combination with melts combine.
Pottery in the assembly of metal and ceramic combination must be reliable, high performance connection with being connected of metal.And to realize that pottery is connected with the reliable of metal, must use thermal expansivity and ceramic phase together or close metal, such as: invar, Kovar alloy, CuW alloy, CuMo alloy, beryllium beryllium oxide alloy, titanium alloy etc.If the thermal expansivity of metal is bigger with the thermal expansion coefficient difference of pottery, under the bigger situation of range of temperature and speed, coefficient of thermal expansion mismatch appears in linkage interface easily, the shrinkage strain amount is inconsistent, and then initiation thermal stresses, can make that crackle appears in pottery and metal linkage interface, make its electromagnetic performance variation even disabler.
But the metal that is connected with pottery at present commonly used exists all deficiencies or shortcoming, such as: expensive, electromagnetic performance is bad, and preponderance is difficult to satisfy the miniaturization of the assembly of metal and ceramic combination, light-weighted demand etc.
Summary of the invention
The technical problem that embodiment of the present invention mainly solves provides assembly of a kind of metal and ceramic combination and preparation method thereof, can either realize that the metal parts in the assembly of metal and ceramic combination is connected with the reliable of ceramic component, reduces the cost of the assembly of metal and ceramic combination again.
First aspect provides the assembly of metal and ceramic combination to comprise metal parts, media components and ceramic component; The first area of metal parts and media components is fixed, and the second area of ceramic component and media components is fixed; Wherein, identical or both differences of the thermal expansivity of the thermal expansivity of media components and ceramic component are less than threshold value.
In conjunction with the implementation of first aspect, in first kind of possibility implementation of first aspect, the material of media components is aluminium silicon or aluminium silicon carbide; Wherein, the aluminium in the aluminium silicon and the granularity of silicon and ratio are to determine according to the thermal expansivity of ceramic component, and the middle aluminium of aluminium silicon carbide and the granularity of silicon carbide and ratio are to determine according to the thermal expansivity of ceramic component.
In conjunction with the implementation of first aspect, in second kind of possibility implementation of first aspect, the material of media components is iron.
In conjunction with the implementation of first aspect, in the third possibility implementation of first aspect, metal parts is provided with a groove towards a surface of ceramic component, and the shape of groove is consistent with the shape of media components; Media components is embedded in the groove, thereby makes the first area of metal parts and media components fix.
In conjunction with the third possibility implementation of first aspect, in the 4th kind of possibility implementation of first aspect, media components is to be embedded in the groove of metal parts by embedding casting or inlay.
In conjunction with the implementation of first aspect, in the 5th kind of possibility implementation of first aspect, the assembly of metal and ceramic combination also comprises first coating, second coating and solder layer; First coating is arranged between the second area and ceramic component of media components; Second coating is arranged between ceramic component and first coating; Solder layer is arranged between first coating and second coating, so that media components and ceramic component welding are fixing.
In conjunction with five kinds of possibility implementations of first aspect, in the 6th kind of possibility implementation of first aspect, the quantity of first coating is at least one deck.
In conjunction with five kinds of possibility implementations of first aspect, in the 7th kind of possibility implementation of first aspect, the thickness of first coating and second coating is 1～25 micron.
In conjunction with five kinds of possibility implementations of first aspect, in the 8th kind of possibility implementation of first aspect, the material of first coating and second coating is at least in copper, silver, the gold a kind of.
Second aspect provides the making method of the assembly of a kind of metal and ceramic combination, comprising:
Make metal parts, media components and ceramic component, and the first area of media components and metal parts are fixed, and the second area of media components and ceramic component are fixed; Wherein, identical or both differences of the thermal expansivity of the thermal expansivity of media components and ceramic component are less than threshold value.
Implementation in conjunction with second aspect, in first kind of possibility implementation of second aspect, make metal parts and media components, and the first area of media components and metal parts fixing step are comprised: according to the design requirements of the assembly of metal and ceramic combination, making media components; Media components is fixed on the corresponding position of first mould; Inject liquid metal to first mould, and cooling liqs metal formation metal parts, and make the first area of media components and metal parts fix.
Implementation in conjunction with second aspect, in second kind of possibility implementation of second aspect, make metal parts and media components, and the fixing step of the first area of media components and metal parts is comprised: according to the design requirements of the assembly of metal and ceramic combination, making media components and metal parts; Make metal parts that one groove is set, the shape of groove is consistent with the shape of media components; Media components is embedded in the groove of metal parts, thereby makes the first area of media components and metal parts fix.
In conjunction with the implementation of second aspect, in the third possibility implementation of second aspect, the material of media components is aluminium silicon or aluminium silicon carbide; According to the design requirements of the assembly of metal and ceramic combination, the step of making media components comprises: determine granularity and the ratio of aluminium and silicon in the aluminium silicon, the perhaps granularity of aluminium and silicon carbide and ratio in the aluminium silicon carbide according to the thermal expansivity of ceramic component; Adopt binding agent that silicon carbide or silicon are bonded to predetermined short texture body, wherein, predetermined short texture body is provided with a plurality of perforates; Predetermined short texture body is fixed on second mould, and injects liquid aluminium along a plurality of perforates to predetermined short texture body, and behind the cooling liqs aluminium, obtain media components.
In conjunction with the implementation of second aspect, in the 4th kind of possibility implementation of second aspect, the material of media components is iron.In conjunction with the implementation of second aspect, the 5th kind of second aspect may implementation in, the second area of media components and step that ceramic component interfixes are comprised: between the second area of media components and ceramic component, first coating is set; Between ceramic component and first coating, second coating is set; Between first coating and second coating, solder layer is set, thereby makes the second area of media components and ceramic component fix.
In conjunction with the 4th kind of possibility implementation of second aspect, in the 5th kind of possibility implementation of second aspect, the thickness of first coating and second coating is 1～25 micron.
In conjunction with the 4th kind of possibility implementation of second aspect, in the 6th kind of possibility implementation of second aspect, the material of first coating and second coating is at least in copper, silver, the gold a kind of.
The beneficial effect of embodiment of the present invention is: metal parts and media components are interfixed, make media components and ceramic component interfix, thereby realize the indirect securement of metal parts and media components.Wherein since the thermal expansivity of the thermal expansivity of media components and pottery is identical or both differences less than threshold value, the reliable connection between realization media components and the ceramic component, and then realize that indirectly metal parts is connected with the reliable of ceramic component.Further, because the material of being combined with metal parts is not ceramic component, but media components, so the material of metal parts can use electromagnetic performance good, and price is comparatively cheap material again, reduces the cost of the assembly of metal and ceramic combination.
Description of drawings
In order to be illustrated more clearly in embodiment of the present invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the part schematic cross-section of assembly first embodiment of metal of the present invention and ceramic combination;
Fig. 2 is the part schematic cross-section of assembly second embodiment of metal of the present invention and ceramic combination;
Fig. 3 is the schema of making method embodiment of the assembly of metal of the present invention and ceramic combination;
Fig. 4 is the schema of the method for fixing metal parts and media components in the making method embodiment of assembly of metal of the present invention and ceramic combination;
Fig. 5 is the schema of fixing metal parts and media components other method in the making method embodiment of assembly of metal of the present invention and ceramic combination;
Fig. 6 is the method flow diagram of making media components in the making method embodiment of assembly of metal of the present invention and ceramic combination;
Fig. 7 is the fixing schema of the method for ceramic component and media components in the making method embodiment of assembly of metal of the present invention and ceramic combination.
Embodiment
See also Fig. 1, Fig. 1 is the part schematic cross-section of assembly first embodiment of metal of the present invention and ceramic combination.As shown in the figure, the assembly 10 of metal and ceramic combination comprises metal parts 11, media components 12 and ceramic component 13.
What deserves to be explained is: submerge for media components 12 in the metal parts 11 in the first area of media components 12 121, and with metal parts 11 contacted zones.
The second area 122 of media components 12 is fixing with ceramic component 13, thereby makes ceramic component 13 and metal parts 12 indirect securement.Wherein, the second area 122 of media components 12 can be to weld with ceramic component 13 fixed forms and fixes.
Further, in order to ensure the reliability that is connected and the stability of media components 12 and ceramic component 13, avoid because of range of temperature and rate variation bigger, media components 12 crackle occurs with being connected of ceramic component 13, influence the reliability that media components 12 is connected with ceramic component 13, select the identical or difference between the two of the thermal expansivity of thermal expansivity and ceramic component 13 less than the material of the threshold value material as media components 12, for example iron, aluminium silicon or aluminium silicon carbide etc., in embodiment of the present invention, the thermal expansivity threshold value can be 10 * 10
-5M/ ° of C.
Need to prove: the thermal expansivity of aluminium silicon is to be determined by the granularity of aluminium and silicon, and the thermal expansivity of aluminium silicon carbide is to be determined by the granularity of aluminium and silicon carbide and ratio.Therefore, can be according to ceramic component 13 thermal expansivity, granularity and the ratio of configuration aluminium and silicon, perhaps, the granularity of aluminium and silicon carbide and ratio, make the thermal expansivity of thermal expansivity and ceramic component 13 of calorize silicon or aluminium silicon carbide identical or between the two difference less than threshold value.
In embodiment of the present invention, metal parts 11 and media components 12 are fixing, and media components 12 is fixing with ceramic component 13, thereby realize the indirect securement of metal parts 11 and ceramic component 13.Wherein, identical or both differences of the thermal expansivity of the thermal expansivity of media components 12 and ceramic component 13 are less than threshold value, make and realize reliably being connected between media components 12 and the ceramic component 13, thereby realize that indirectly metal parts 11 is connected with the reliable of ceramic component 13.Further and since with metal parts 11 in conjunction with being not ceramic component 13, but media components 12, so the material of metal parts 11 can use electromagnetic performance good, price is comparatively cheap material again, reduces the cost of the assembly 10 of metal and ceramic combination.
See also Fig. 2, Fig. 2 is the part schematic cross-section of assembly second embodiment of metal of the present invention and ceramic combination.As shown in the figure, the assembly 20 of metal and ceramic combination comprises metal parts 21, media components 22 and ceramic component 23.
It should be noted that: first area 221 is for referring to media components 22 zone of metal parts 21 of submerging, for example: an end of media components 22 metal parts 21 that submerges, and the other end exposes metal parts 21, then a submerge end and the sidewall of metal parts 21 of media components 22 is first area 221, or, media components 22 runs through metal parts 21, and metal parts 21 is all exposed at both ends, and then the sidewall of media components 22 is first area 221.
The assembly 20 of metal and ceramic combination also comprises first coating 24, second coating 26 and solder layer 25.First coating 24 is arranged between the second area 222 and ceramic component 23 of media components 22.Second coating 26 is arranged between ceramic component 23 and first coating 24.Solder layer 26 is arranged between first coating 24 and second coating 26, so that media components 22 is fixing with ceramic component 23 welding.Wherein, the data of first coating 24 are two-layer.The thickness of first coating 24 and second coating 26 is 1～25 micron.The material of first coating 24 and second coating 26 is the material of nonferromagnetic, for example: copper, silver, gold any one or multiple composition.By the coating of nonferromugnetic material is set between ceramic component 23 and media components 22, both increased ceramic component 23 and media components 22 welding propertys, reduce the electromagnetic interference to the assembly 20 of metal and ceramic combination again.
Further, identical or the difference between the two of the thermal expansivity of the thermal expansivity of media components 22 and ceramic component 23 is less than threshold value, ensure the reliability that is connected and the stability of media components 22 and ceramic component 23, avoid because of temperature range and rate variation bigger, media components 22 crackle occurs with being connected of ceramic component 23, and then influences the switching performance of media components 22 and ceramic component 23.Wherein, the material of media components 22 can be iron, aluminium silicon or aluminium silicon carbide etc.The thermal expansivity threshold value can be 10 * 10
-5M/ ° of C
Need to prove: the thermal expansivity of aluminium silicon is to be determined by the granularity of aluminium and silicon and ratio, and the thermal expansivity of aluminium silicon carbide is to be determined by the granularity of aluminium and silicon carbide and ratio.Therefore, can be according to ceramic component 23 thermal expansivity, granularity and the ratio of configuration aluminium and silicon, perhaps, the granularity of aluminium and silicon carbide and ratio, make the thermal expansivity of thermal expansivity and ceramic component 23 of calorize silicon or aluminium silicon carbide identical or between the two difference less than threshold value.
In embodiment of the present invention, metal parts 21 is by the indirect securement of media components 22 with ceramic component 23, and the thermal expansivity of the thermal expansivity of media components 12 and ceramic component 23 is identical or both differences less than threshold value, thereby make and realize reliably being connected between media components 22 and the ceramic component 23, and then realize that indirectly metal parts 21 is connected with the reliable of ceramic component 23.Further and since with metal parts 21 in conjunction with being not ceramic component 23, but media components 22, so the material of metal parts 21 can use electromagnetic performance good, price is comparatively cheap material again, reduces the cost of the assembly 20 of metal and ceramic combination.
See also Fig. 3, Fig. 3 is the schema of making method first embodiment of the assembly of metal of the present invention and ceramic combination.As shown in the figure, method comprises:
Step S301: make metal parts and media components, and the first area of media components and metal parts are fixed;
Wherein, the first area of media components and metal parts fixed form can also can be fixed by casting by interlocking is fixing.If when rabbeting fixedly, as shown in Figure 4, then step S301 can comprise again:
Substep S3011: according to the design requirements of the assembly of metal and ceramic combination, make media components and metal parts;
Substep S3012: make metal parts towards a surface of ceramic component one groove is set, the shape of groove is consistent with the shape of media components;
Substep S3013: media components is embedded in the groove of metal parts, thereby makes the first area of media components and metal parts fix.
If when casting fixedly, as shown in Figure 5, then step S301 can comprise again:
Substep S3111: according to the design requirements of the assembly of metal and ceramic combination, make first mould of media components and metal parts;
Substep S3112: media components is fixed on the corresponding position of first mould;
Substep S3113: inject liquid metal to first mould, and cooling liqs metal formation metal parts, thereby make the first area of media components and metal parts fix.
Wherein, the thermal expansivity of media components or between the two difference identical with the thermal expansivity of ceramic component be less than threshold value, make between media components and the ceramic component be connected more reliable.In embodiment of the present invention, media components 12 materials are iron, aluminium silicon or aluminium silicon carbide etc., and the thermal expansivity threshold value can be 10 * 10
-5M/ ° of C.When if the material of media components 12 is aluminium silicon or aluminium silicon carbide, as shown in Figure 6, then among substep S3011 and the substep S3111 according to the design requirements of the assembly of metal and ceramic combination, the substep of making media components can comprise again:
Substep S3211: determine granularity and the ratio of aluminium and silicon in the aluminium silicon, the perhaps granularity of aluminium and silicon carbide and ratio in the aluminium silicon carbide according to the thermal expansivity of ceramic component;
Substep S3212: adopt binding agent that silicon carbide or silicon are bonded to predetermined short texture body, wherein, predetermined short texture body is provided with a plurality of perforates;
Substep S3213: predetermined short texture body is fixed on second mould, and injects liquid aluminium along a plurality of perforates to predetermined short texture body, and behind the cooling liqs aluminium, obtain media components.
Step S302: make ceramic component, and the second area of media components and ceramic component are fixed.
Wherein, the welding that fixedly is generally of the second area of ceramic component and media components is fixed, and as shown in Figure 7, then step S302 can comprise again:
Substep S3021: first coating is set between the second area of media components and the ceramic component;
Substep S3022: between ceramic component and first coating, second coating is set;
Substep S3023: between first coating and second coating, solder layer is set, thereby makes the second area of media components and ceramic component fix.
The quantity of first coating is two-layer.The thickness of first coating and second coating is 1～25 micron.The material of first coating and second coating is the material of nonferromagnetic, for example: copper, silver, gold any one or multiple composition.By the coating of nonferromugnetic material is set between ceramic component and media components, both increased ceramic component and media components welding property, reduce the electromagnetic interference to the assembly of metal and ceramic combination again.
Need to prove: step S301 and step S302 do not have the sequencing relation, and can all complete earlier metal parts, ceramic component and media components are fixed ceramic component and media components, and then media components and metal parts are fixed.
In embodiment of the present invention, by metal parts and media components are fixed, media components and ceramic component are fixed, thereby realize the indirect securement of metal parts and ceramic component, and the thermal expansivity of media components is identical with the thermal expansivity of ceramic component or both differences less than threshold value, thereby make and realize reliably being connected between media components and the ceramic component, and then realize that indirectly metal parts is connected with the reliable of ceramic component.Further, be not ceramic component owing to be combined with metal parts, but media components, so the material of metal parts can use electromagnetic performance good, price is comparatively cheap material again, the cost of the assembly of reduction metal and ceramic combination.
The above only is embodiments of the present invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (17)
1. the assembly of a metal and ceramic combination is characterized in that,
The assembly of described metal and ceramic combination comprises metal parts, media components and ceramic component;
The first area of described metal parts and described media components is fixed, and the second area of described ceramic component and described media components is fixed;
Wherein, identical or both differences of the thermal expansivity of the thermal expansivity of described media components and described ceramic component are less than threshold value.
2. the assembly of metal according to claim 1 and ceramic combination is characterized in that,
The material of described media components is aluminium silicon or aluminium silicon carbide;
Wherein, the aluminium in the described aluminium silicon and the granularity of silicon and ratio are to determine according to the thermal expansivity of ceramic component, and the middle aluminium of described aluminium silicon carbide and the granularity of silicon carbide and ratio are to determine according to the thermal expansivity of ceramic component.
3. the assembly of metal according to claim 1 and ceramic combination is characterized in that,
The material of described media components is iron.
4. the assembly of metal according to claim 1 and ceramic combination is characterized in that, described metal parts is provided with a groove towards a surface of ceramic component, and the shape of described groove is consistent with the shape of media components;
Described media components is embedded in the described groove, thereby makes the first area of described metal parts and described media components fix.
5. the assembly of metal according to claim 4 and ceramic combination is characterized in that,
Described media components is to be embedded in the groove of metal parts by embedding casting or inlay.
6. the assembly of metal according to claim 1 and ceramic combination is characterized in that,
The assembly of described metal and ceramic combination also comprises first coating, second coating and solder layer;
Described first coating is arranged between the second area and described ceramic component of described media components;
Described second coating is arranged between described ceramic component and described first coating;
Described solder layer is arranged between described first coating and second coating, with described media components and ceramic component welding is fixed.
7. the assembly of metal according to claim 6 and ceramic combination is characterized in that,
The quantity of described first coating is at least one deck.
8. the assembly of metal according to claim 6 and ceramic combination is characterized in that,
The thickness of described first coating and second coating is 1～25 micron.
9. the assembly of metal according to claim 6 and ceramic combination is characterized in that,
The material of described first coating and second coating is at least in copper, silver, the gold a kind of.
10. the making method of the assembly of a metal and ceramic combination is characterized in that, described method comprises:
Make metal parts, media components and ceramic component, and the first area of described media components and described metal parts are fixed, and the second area of described media components and described ceramic component are fixed;
Wherein, identical or both differences of the thermal expansivity of the thermal expansivity of described media components and ceramic component are less than threshold value.
11. method according to claim 10 is characterized in that, described making metal parts and media components, and the first area of described media components and metal parts fixing step are comprised:
According to the design requirements of the assembly of described metal and ceramic combination, make first mould of described media components and metal parts;
Described media components is fixed on the corresponding position of described first mould;
Inject liquid metal to described first mould, and cool off described liquid metal and form described metal parts, thereby make the first area of described media components and described metal parts fix.
12. method according to claim 10 is characterized in that, makes metal parts and media components, and the step that the first area that makes described media components and described metal parts are fixed comprises:
According to the design requirements of the assembly of described metal and ceramic combination, make described media components and metal parts;
Make described metal parts that one groove is set, the shape of described groove is consistent with the shape of described media components;
Described media components is embedded in the groove of described metal parts, thereby makes the first area of described media components and described metal parts fix.
13. method according to claim 10 is characterized in that,
The material of described media components is aluminium silicon or aluminium silicon carbide;
The design requirements of described assembly according to metal and ceramic combination, the step of making described media components comprises:
Determine granularity and the ratio of aluminium and silicon in the aluminium silicon, the perhaps granularity of aluminium and silicon carbide and ratio in the aluminium silicon carbide according to the thermal expansivity of ceramic component;
Adopt binding agent that silicon carbide or silicon are bonded to predetermined short texture body, wherein, described predetermined short texture body is provided with a plurality of perforates;
Described predetermined short texture body is fixed on second mould, and injects liquid aluminium along described a plurality of perforates to described predetermined short texture body, and after cooling off described liquid aluminium, obtain described media components.
14. method according to claim 10 is characterized in that,
The material of described media components is iron.
15. method according to claim 10 is characterized in that, the described second area of described media components and the step that ceramic component interfixes of making comprises:
Between the second area of described media components and ceramic component, first coating is set;
Between described ceramic component and described first coating, second coating is set;
Between described first coating and described second coating, solder layer is set, thereby makes the second area of described media components and described ceramic component fix.
16. method according to claim 15 is characterized in that,
The thickness of described first coating and described second coating is 1～25 micron.
17. method according to claim 15 is characterized in that,
The material of described first coating and described second coating is at least in copper, silver, the gold a kind of.
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| CN2013101127448A CN103193500A (en) | 2013-04-02 | 2013-04-02 | Metal and ceramic combined assembly and manufacturing method thereof |
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| CN2013101127448A CN103193500A (en) | 2013-04-02 | 2013-04-02 | Metal and ceramic combined assembly and manufacturing method thereof |
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| CN105899474A (en) * | 2014-02-03 | 2016-08-24 | 丰田自动车株式会社 | Joining structure of ceramic member and metallic member |
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| CN105899474A (en) * | 2014-02-03 | 2016-08-24 | 丰田自动车株式会社 | Joining structure of ceramic member and metallic member |
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| US10641560B2 (en) | 2014-02-03 | 2020-05-05 | Toyota Jidosha Kabushiki Kaisha | Ceramic member and joint structure of metal members |
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